Finding the Third Proportional to 11,445.75 and 18,708.75
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Solution
The third proportional to 11,445.75 and 18,708.75 is: 30,580.55
Step by Step Solution
- Step 1: Write the proportion equation
11,445.75 : 18,708.75 = 18,708.75 : x - Step 2: Convert to fraction form
11,445.75/18,708.75 = 18,708.75/x - Step 3: Cross multiply
11,445.75x = 18,708.75 × 18,708.75 - Step 4: Simplify right side
11,445.75x = 350,017,326.56 - Step 5: Solve for x
x = 350,017,326.56/11,445.75 - Step 6: Final answer
x = 30,580.55
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Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.